<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单标签的演示</title>
</head>
<body>
<!--get方式的表单-->
<form action="#" method="get" autocomplete="on">
    用户名：<input type="text" name="username" />
    <button type="submit">提交</button>
</form>

<!--post方式的表单-->
<form action="#" method="post" autocomplete="on">
    用户名：<input type="text" name="username" />
    <button type="submit">提交</button>
</form>
</body>
</html>